Finding the Fourth Proportional to 2,282.67, 3,150.27 and 1,288.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,282.67 : 3,150.27 = 1,288.14 : x
2. Step 2: Convert to fraction form
   2,282.67/3,150.27 = 1,288.14/x
3. Step 3: Cross multiply
   2,282.67x = 3,150.27 × 1,288.14
4. Step 4: Simplify right side
   2,282.67x = 4,057,988.80
5. Step 5: Solve for x
   x = 4,057,988.80/2,282.67
6. Step 6: Final answer
   x = 1,777.74